JPH0533095Y2 - - Google Patents
Info
- Publication number
- JPH0533095Y2 JPH0533095Y2 JP6556987U JP6556987U JPH0533095Y2 JP H0533095 Y2 JPH0533095 Y2 JP H0533095Y2 JP 6556987 U JP6556987 U JP 6556987U JP 6556987 U JP6556987 U JP 6556987U JP H0533095 Y2 JPH0533095 Y2 JP H0533095Y2
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- circuit
- contact
- changeover switch
- telephone line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000002265 prevention Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6556987U JPH0533095Y2 (tr) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6556987U JPH0533095Y2 (tr) | 1987-04-30 | 1987-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63173961U JPS63173961U (tr) | 1988-11-11 |
| JPH0533095Y2 true JPH0533095Y2 (tr) | 1993-08-24 |
Family
ID=30902765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6556987U Expired - Lifetime JPH0533095Y2 (tr) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533095Y2 (tr) |
-
1987
- 1987-04-30 JP JP6556987U patent/JPH0533095Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63173961U (tr) | 1988-11-11 |
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